Year,Value,NumPoints
1851,-0.277851,43067
1852,-0.2392,42913
1853,-0.249695,46008
1854,-0.262497,46596
1855,-0.245469,46081
1856,-0.366484,47249
1857,-0.495199,47852
1858,-0.315396,47563
1859,-0.207985,47808
1860,-0.350972,44698
1861,-0.427373,39053
1862,-0.51857,42786
1863,-0.341536,37717
1864,-0.340685,39280
1865,-0.249197,35281
1866,-0.198414,34735
1867,-0.1637,35130
1868,-0.189097,39144
1869,-0.204327,47381
1870,-0.265431,47146
1871,-0.305569,46935
1872,-0.267817,47932
1873,-0.243741,50350
1874,-0.311407,49240
1875,-0.312728,50601
1876,-0.332913,49699
1877,0.04898,50657
1878,0.118003,51840
1879,-0.202143,51801
1880,-0.268907,51074
1881,-0.162021,52264
1882,-0.219717,53636
1883,-0.268559,54183
1884,-0.433042,54246
1885,-0.399399,54181
1886,-0.434982,54347
1887,-0.4652,54657
1888,-0.262927,54583
1889,-0.139917,54055
1890,-0.428812,53705
1891,-0.309275,53476
1892,-0.37633,54277
1893,-0.354759,54364
1894,-0.352435,53499
1895,-0.282847,53257
1896,-0.189904,53673
1897,-0.177417,53844
1898,-0.390631,54984
1899,-0.220566,55104
1900,-0.111476,54930
1901,-0.19066,55030
1902,-0.345586,55204
1903,-0.447791,55971
1904,-0.500429,56072
1905,-0.319131,55945
1906,-0.241426,55885
1907,-0.40214,55947
1908,-0.43568,56070
1909,-0.500364,55982
1910,-0.461182,55944
1911,-0.467766,55935
1912,-0.3905,56060
1913,-0.367828,56071
1914,-0.187396,56032
1915,-0.126212,55790
1916,-0.359063,55475
1917,-0.506982,54655
1918,-0.335377,52971
1919,-0.284073,53525
1920,-0.221279,55153
1921,-0.176916,55507
1922,-0.264698,55991
1923,-0.22996,55790
1924,-0.242907,55796
1925,-0.198232,55732
1926,-0.0653514,55910
1927,-0.178836,55902
1928,-0.168946,55759
1929,-0.343231,55853
1930,-0.121871,55698
1931,-0.0641995,56018
1932,-0.107658,56126
1933,-0.292914,56168
1934,-0.147241,56145
1935,-0.206071,56107
1936,-0.138879,56289
1937,0.017686,56174
1938,0.0192416,56268
1939,0.00357178,55947
1940,0.0955351,54719
1941,0.0453615,53818
1942,0.0583386,53626
1943,0.111195,53460
1944,0.22056,51898
1945,0.0940884,50938
1946,-0.070682,56175
1947,-0.00758823,57107
1948,-0.105254,57456
1949,-0.108803,57553
1950,-0.180811,59223
1951,-0.00763496,61145
1952,0.0736553,57161
1953,0.143667,56926
1954,-0.0520306,58496
1955,-0.111008,62075
1956,-0.196201,64541
1957,0.0329693,64687
1958,0.0385074,64701
1959,0.0202915,64487
1960,-0.0372507,64650
1961,0.0402907,64609
1962,-0.0179176,64537
1963,0.026674,64498
1964,-0.24144,64699
1965,-0.121144,64796
1966,-0.0588472,64776
1967,-0.0293194,64786
1968,-0.103737,64754
1969,0.0444171,64791
1970,-0.00468841,64763
1971,-0.122228,64748
1972,-0.0113434,64708
1973,0.12584,64724
1974,-0.0810222,64645
1975,-0.0126048,64689
1976,-0.104438,64633
1977,0.223597,64734
1978,0.0971692,64778
1979,0.172515,64792
1980,0.296041,64800
1981,0.343694,64799
1982,0.128956,64799
1983,0.310721,64800
1984,0.142224,64800
1985,0.139604,64800
1986,0.192195,64800
1987,0.330292,64800
1988,0.375733,64800
1989,0.263067,64800
1990,0.453271,64800
1991,0.436684,64800
1992,0.229858,64800
1993,0.286815,64800
1994,0.336076,64800
1995,0.492354,64800
1996,0.381978,64800
1997,0.522413,64800
1998,0.672292,64800
1999,0.430482,64800
2000,0.430796,64800
2001,0.564493,64800
2002,0.65775,64800
2003,0.639459,64800
2004,0.553327,64800
2005,0.718896,64800
2006,0.670664,64800
2007,0.683993,64799
2008,0.555553,64799
2009,0.690849,64799
2010,0.761268,64800
2011,0.651617,64800
2012,0.67157,64800
2013,0.68965,64800
2014,0.762328,64799
2015,0.904054,64800
2016,1.042,64799
2017,0.948008,64800
2018,0.874786,64799
2019,1.01062,64800
2020,1.03791,64800
2021,0.880999,64798